Respostas

2014-08-05T22:11:32-03:00
18x - 43 = 65
18x= 65+43
18x= 108
x=108/18
x=6
1 5 1
2014-08-05T22:12:57-03:00
18x - 43 = 65
18x= 65+43
18x= 108
x=108/18
x= 54 / 9
x= 18 / 3
x= 6